Home / 26,712.73-40,088.78-12,672.80

Finding the Fourth Proportional to 26,712.73, 40,088.78 and 12,672.80

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Solution

The fourth proportional to 26,712.73, 40,088.78 and 12,672.80 is: 19,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.73 : 40,088.78 = 12,672.80 : x
  2. Step 2: Convert to fraction form
    26,712.73/40,088.78 = 12,672.80/x
  3. Step 3: Cross multiply
    26,712.73x = 40,088.78 × 12,672.80
  4. Step 4: Simplify right side
    26,712.73x = 508,037,091.18
  5. Step 5: Solve for x
    x = 508,037,091.18/26,712.73
  6. Step 6: Final answer
    x = 19,018.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.